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why do we have stars in the sky

Why are there so many stars in the sky and what are their purpose of being there? This is an interesting question. We might as well ask why there are so many trees in a forest and what are they there for. I don't think I can answer for the purpose of the stars, maybe there isn't one. If there is does that imply a higher being directing the universe? I'll leave you to decide that for yourself. As for why there are so many stars in the galaxy - well that's the definition of a galaxy (just like you could say that the reason there are so many trees is that you are in a forest).

Stars form out of giant clouds of dust and gas in galaxies. Since so many formed we can assume that it's quite easy for them to do that, or that the galaxy has been around a very long time. Probably both apply. We actually live in a quite unpopulated area of the galaxy, almost two thirds of the way out. If we were closer to the centre there would be many more stars in the sky. This page updated on June 27, 2015
n Britain, the absence of our night sky is conversely coinciding with a rebirth in popularity in astronomy.

There is, of course, the effect of Tim Peake whose incredible six-month mission came to an end at the weekend. While in space, Peake beamed staggering pictures back to earth, including, illuminated by urban sprawl on every side. A few years ago, Peake was invited by the Sheffield Astronomical Society to give a talk at the cityБs main university which was attended by hundreds of students and schoolchildren. Swindells, who is vice president of the society which was founded in 1934 Б and is known by the acronym SAS and the motto, Бhe who stares winsБ Б says the television presenter Professor Brian Cox has also helped excite a new generation in stargazing.

The group presently has around 100 members of all different ages. Swindells also got into astronomy as a young lad, heading out on the streets of Sheffield with his father. БWe used to go out on a night time and you could see the Milky Way,Б he says. Thanks to artificial lighting, the glowing band of our galaxy is now no longer visible to one third of humanity.

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